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Cars are like horses: people will soon realise EVs are just better, claims VW boss
(www.autoexpress.co.uk)
This is a most excellent place for technology news and articles.
I mean battery tech is always improving, I don't see -45C as big of a roadblock as you make it out to be. There are already battery chemistries that work well at those temps. They just have to be scaled up and made cost effective.